1 Computer Graphics Week1 -Introduction. Computer graphics History Computer graphics generally means creation, storage and manipulation of models and.

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Presentation transcript:

1 Computer Graphics Week1 -Introduction

Computer graphics History Computer graphics generally means creation, storage and manipulation of models and images Such models come from diverse and expanding set of fields including physical, mathematical, artistic, biological, and even conceptual (abstract) structures 2 Frame from animation by William Latham, shown at SIGGRAPH Latham uses rules that govern patterns of natural forms to create his artwork.

Graphics Library (GL) Examples: OpenGL™, DirectX™, Windows Presentation Foundation™ (WPF), RenderMan™ Primitives (chars, lines, polygons, meshes,…) Attributes – color – line style – material properties for 3D Lights Transformations Immediate mode vs. retained mode – immediate mode: no stored representation, package holds only attribute state, and application must completely draw each frame – retained mode: library compiles and displays from scene graph that it maintains, a complex DAG. It is a display-centered extract of the Application Model 3

What is computer graphics 4

Some research fields of computer graphics 5

Basic notions Computer graphics – process of producing a picture or image using the computer Computer interfaces popular on personal computers Desktop publishing Realistic images generated using mathematical and physical methods 6